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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is an icy winter month in Montclair, New Jersey, with an average temperature ranging between max 35.2°F (1.8°C) and min 23.9°F (-4.5°C). January, noted for its average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 23.9°F (-4.5°C), is considered the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Montclair, is another cold month, with an average temperature fluctuating between 25.5°F (-3.6°C) and 38.8°F (3.8°C). Montclair records an average high-temperature of a still cold 38.8°F (3.8°C) in February, closely mirroring the climate of the previous month. Weather in February »
Weather in March
March, the first month of the spring in Montclair, is a frosty month, with an average temperature varying between 32.7°F (0.4°C) and 46.4°F (8°C). March brings a slight rise in Montclair's average high-temperature, moving from a wintry 38.8°F (3.8°C) in February to a frosty 46.4°F (8°C). Weather in March »
Weather in April
April is a mild spring month in Montclair, New Jersey, with an average temperature fluctuating between 42.8°F (6°C) and 58.5°F (14.7°C). With the beginning of April, Montclair's average high-temperature sees an increase, transitioning from a frosty 46.4°F (8°C) in March to a refreshing 58.5°F (14.7°C). Weather in April »
Weather in May
May, the last month of the spring in Montclair, is an agreeable month, with an average temperature varying between 69.3°F (20.7°C) and 52.7°F (11.5°C). An increase in the average high-temperature marks May, moving from April's mild 58.5°F (14.7°C) to an agreeable 69.3°F (20.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Montclair, New Jersey, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 77.5°F (25.3°C). The beginning of June signals a minor rise in the average high-temperature, moving from a pleasant 69.3°F (20.7°C) in May to a warm 77.5°F (25.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Montclair, New Jersey, with an average temperature ranging between min 67.6°F (19.8°C) and max 84.2°F (29°C). July, characterized by an average high temperature of 84.2°F (29°C) and a low temperature of 67.6°F (19.8°C), is generally the warmest month. For July, the heat index is calculated to be a hot 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Montclair, is also a moderately hot month, with temperature in the range of an average low of 66.6°F (19.2°C) and an average high of 81.9°F (27.7°C). August welcomes an average high-temperature of a still warm 81.9°F (27.7°C), not much different from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Montclair, is also a moderately hot month, with an average temperature ranging between min 59.4°F (15.2°C) and max 75°F (23.9°C). A moderate decline in average high-temperatures is noted in September, moving from 81.9°F (27.7°C) in August to a still warm 75°F (23.9°C). Weather in September »
Weather in October
October, like September, in Montclair, New Jersey, is another refreshing autumn month, with an average temperature ranging between max 62.6°F (17°C) and min 49.1°F (9.5°C). October brings a decrease in the average high-temperature, falling from September's warm 75°F (23.9°C) to a refreshing 62.6°F (17°C). Weather in October »
Weather in November
November, the last month of the autumn in Montclair, is also a fresh month, with temperature in the range of an average high of 50.7°F (10.4°C) and an average low of 37.9°F (3.3°C). Observing a mild shift, the average high-temperature during November reduces from October's comfortable 62.6°F (17°C) to a fresh 50.7°F (10.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Montclair, New Jersey, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 41.5°F (5.3°C). With December's arrival, Montclair sees a decrease in average high-temperatures, moving from a cool 50.7°F (10.4°C) in November to a cold 41.5°F (5.3°C). Weather in December »
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
In Montclair, January is the coldest month, with temperatures averaging a high of 35.2°F (1.8°C) and a low of 23.9°F (-4.5°C).
What is the driest month?
The month with the least rainfall is January, when the rain falls for 7.6 days and typically collects 1.38" (35mm) of precipitation.
How many days does it rain?
Throughout the year, there are 153.3 rainfall days, and 24.92" (633mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, November and December.
How much does it snow?
In Montclair, during the entire year, snow falls for 22.1 days and aggregates up to 8.9" (226mm) of snow.
When is the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month in Montclair?
With an average relative humidity of 78%, February is the most humid month.
What is the month with the least sunshine?
With an average of 4.7h of sunshine, February has the least sunshine of the year.
What is the snowiest month?
March is the month with the most snowfall. Snow falls for 4.9 days and accumulates 3.27" (83mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month?
The months with the lowest humidity in Montclair are April and August, with an average relative humidity of 72%.
When it does not snow?
In Montclair, snow does not fall in May through October.
When are the longest days?
With an average of 15h and 6min of daylight, June has the longest days of the year.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What is the warmest month?
The month of July sees the average highest temperatures, reaching 84.2°F (29°C) at the peak and 67.6°F (19.8°C) at the low.
What is the rainiest month?
July is the month with the most rainfall in Montclair. Rain falls for 17.7 days and accumulates 3.07" (78mm) of precipitation.
What month has the most sunshine?
With an average of 10.5h of sunshine, July has the most sunshine of the year.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Montclair, NJ
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure
Montclair, NJ
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Montclair, NJ
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.3mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.5mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8.1mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity
Montclair, NJ
The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall
Montclair, NJ
- Average rainfall in January:
1.38" - Average rainfall in February:
1.42" - Average rainfall in March:
2.01" - Average rainfall in April:
1.97" - Average rainfall in May:
2.52" - Average rainfall in June:
2.44"
- Average rainfall in July:
3.07" - Average rainfall in August:
2.6" - Average rainfall in September:
1.46" - Average rainfall in October:
2.13" - Average rainfall in November:
1.69" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days
Montclair, NJ
- Average rainfall days in January:
7.6 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.6 days).
Average snowfall
Montclair, NJ
The month with the highest snowfall is March (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Montclair, NJ
- Average snowfall days in January:
5.8 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
4.9 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
3.6 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Montclair, NJ
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Montclair, NJ
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
10.7 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
17.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.7 days).
Average UV index
Montclair, NJ
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Montclair, NJ
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Montclair, NJ
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Montclair, New Jersey, USA
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